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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ptp.h')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ptp.h26
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp.h b/drivers/net/ethernet/intel/ice/ice_ptp.h
index e7411d5003d7..a110c81d4772 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp.h
+++ b/drivers/net/ethernet/intel/ice/ice_ptp.h
@@ -82,6 +82,8 @@ struct ice_tx_tstamp {
* @quad_offset: offset into timestamp block of the quad to get the real index
* @len: length of the tstamps and in_use fields.
* @init: if true, the tracker is initialized;
+ * @calibrating: if true, the PHY is calibrating the Tx offset. During this
+ * window, timestamps are temporarily disabled.
*/
struct ice_ptp_tx {
struct kthread_work work;
@@ -92,6 +94,7 @@ struct ice_ptp_tx {
u8 quad_offset;
u8 len;
u8 init;
+ u8 calibrating;
};
/* Quad and port information for initializing timestamp blocks */
@@ -101,15 +104,20 @@ struct ice_ptp_tx {
/**
* struct ice_ptp_port - data used to initialize an external port for PTP
*
- * This structure contains PTP data related to the external ports. Currently
- * it is used for tracking the Tx timestamps of a port. In the future this
- * structure will also hold information for the E822 port initialization
- * logic.
+ * This structure contains data indicating whether a single external port is
+ * ready for PTP functionality. It is used to track the port initialization
+ * and determine when the port's PHY offset is valid.
*
* @tx: Tx timestamp tracking for this port
+ * @ps_lock: mutex used to protect the overall PTP PHY start procedure
+ * @link_up: indicates whether the link is up
+ * @port_num: the port number this structure represents
*/
struct ice_ptp_port {
struct ice_ptp_tx tx;
+ struct mutex ps_lock; /* protects overall PTP PHY start procedure */
+ bool link_up;
+ u8 port_num;
};
#define GLTSYN_TGT_H_IDX_MAX 4
@@ -154,9 +162,15 @@ struct ice_ptp {
#define ptp_info_to_pf(i) \
container_of(__ptp_info_to_ptp((i)), struct ice_pf, ptp)
+#define PFTSYN_SEM_BYTES 4
#define PTP_SHARED_CLK_IDX_VALID BIT(31)
+#define TS_CMD_MASK 0xF
+#define SYNC_EXEC_CMD 0x3
#define ICE_PTP_TS_VALID BIT(0)
+#define FIFO_EMPTY BIT(2)
+#define FIFO_OK 0xFF
+#define ICE_PTP_FIFO_NUM_CHECKS 5
/* Per-channel register definitions */
#define GLTSYN_AUX_OUT(_chan, _idx) (GLTSYN_AUX_OUT_0(_idx) + ((_chan) * 8))
#define GLTSYN_AUX_IN(_chan, _idx) (GLTSYN_AUX_IN_0(_idx) + ((_chan) * 8))
@@ -177,6 +191,7 @@ struct ice_ptp {
#define N_PER_OUT_E810T 3
#define N_PER_OUT_E810T_NO_SMA 2
#define N_EXT_TS_E810_NO_SMA 2
+#define ETH_GLTSYN_ENA(_i) (0x03000348 + ((_i) * 4))
#if IS_ENABLED(CONFIG_PTP_1588_CLOCK)
struct ice_pf;
@@ -195,6 +210,7 @@ void ice_ptp_reset(struct ice_pf *pf);
void ice_ptp_prepare_for_reset(struct ice_pf *pf);
void ice_ptp_init(struct ice_pf *pf);
void ice_ptp_release(struct ice_pf *pf);
+int ice_ptp_link_change(struct ice_pf *pf, u8 port, bool linkup);
#else /* IS_ENABLED(CONFIG_PTP_1588_CLOCK) */
static inline int ice_ptp_set_ts_config(struct ice_pf *pf, struct ifreq *ifr)
{
@@ -226,5 +242,7 @@ static inline void ice_ptp_reset(struct ice_pf *pf) { }
static inline void ice_ptp_prepare_for_reset(struct ice_pf *pf) { }
static inline void ice_ptp_init(struct ice_pf *pf) { }
static inline void ice_ptp_release(struct ice_pf *pf) { }
+static inline int ice_ptp_link_change(struct ice_pf *pf, u8 port, bool linkup)
+{ return 0; }
#endif /* IS_ENABLED(CONFIG_PTP_1588_CLOCK) */
#endif /* _ICE_PTP_H_ */